roundtrip
failed |= roundtrip(group, random_point, forms[j], x, y);
int roundtrip, int orig_rtt, time_t timenow)
if(roundtrip == -1) {
rtt_update(&data->rtt, roundtrip);
int roundtrip, int orig_rtt, time_t timenow);
int roundtrip, int orig_rtt, time_t timenow)
if(roundtrip == -1) {
rtt_update(&data->rtt, roundtrip);
int roundtrip, int orig_rtt, time_t timenow);